Sources: The New York Times, Reuters
quote: Products AffectediTunes, iTunes StoreWhat is iTunes Plus?iTunes Plus is the new standard on iTunes. iTunes Plus downloads are songs and music videos available in our highest quality 256 kbps AAC audio encoding (twice the audio quality of protected music purchases), and without digital rights management (DRM). iTunes Plus music can be burned to CD as many times as you need, synced to any AAC-enabled device (such as iPod, iPhone, or Apple TV), and played on any Mac or Windows computers you own.
quote: Why would I buy a book on iBooks when I can only read it on an apple device?